RH DOSSIER / Armed partner / force

Houthis / Ansarallah

Purpose
A Yemeni political and armed movement rooted in Zaydi Shia revivalism. It seeks power in Yemen and espouses anti-U.S. and anti-Israel positions. [33]
Size and reach
The UN’s 2024 panel cited an estimate of 350,000 fighters, but could not independently verify new recruitment. Treat it as an uncertain historical estimate, not today’s combat-ready strength. [32]
Why this alignment
Iranian weapons expertise and training strengthen the movement against shared adversaries. Its Yemeni roots and local ambitions remain distinct from Tehran’s agenda. [33][8]
State nexus: Iran
STATE NEXUSIran
REPORTED AREAYemen and the Red Sea
LATEST CITED RECORD2026-03
RH SOURCE REVIEW13 October 2026

01 / STATE RELATIONSHIP

Iranian state / Quds Force support

ODNI identifies the Houthis among Iran's main partners and proxies; Treasury's September 2025 record describes an Iran-backed organization with a wider procurement network.

Office of the Director of National Intelligence · 2024-07 ↗U.S. Treasury · 2025-09-11 ↗Office of the Director of National Intelligence · 2026-03 ↗

02 / CONTEXT IN THE RECORD

What to know

Treasury also documents locally generated revenue and external procurement. The relationship is broader than a single sponsor supplying all resources.

U.S. Treasury · 2025-09-11 ↗

Where the evidence stops

External support is not evidence that Tehran orders each maritime attack. Procurement relationships are not a current inventory.

The cited dates establish the scope of this record. They do not confirm current operational capacity, complete membership or a present-day legal designation.

PUBLIC RECORD

Sources

  1. Assessment of Iran's regional and global activities ↗

    Office of the Director of National Intelligence · 2024-07

  2. Houthi illicit revenue and procurement networks ↗

    U.S. Treasury · 2025-09-11

  3. 2026 Annual Threat Assessment ↗

    Office of the Director of National Intelligence · 2026-03 · Information cutoff: 14 March 2026

  4. Houthi Attacks in the Red Sea: background and Iranian support ↗

    Congressional Research Service · 2024-01-31

  5. Yemen Panel of Experts report S/2024/731, paragraph 31 ↗

    UN Security Council Panel of Experts · 2024-10-11 · The panel could not independently verify the newly recruited fighter count